Home / 121,642,715.10-182,448,855.58-39,754,742.88

Finding the Fourth Proportional to 121,642,715.10, 182,448,855.58 and 39,754,742.88

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Solution

The fourth proportional to 121,642,715.10, 182,448,855.58 and 39,754,742.88 is: 59,627,141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,642,715.10 : 182,448,855.58 = 39,754,742.88 : x
  2. Step 2: Convert to fraction form
    121,642,715.10/182,448,855.58 = 39,754,742.88/x
  3. Step 3: Cross multiply
    121,642,715.10x = 182,448,855.58 × 39,754,742.88
  4. Step 4: Simplify right side
    121,642,715.10x = 7,253,207,342,333,154
  5. Step 5: Solve for x
    x = 7,253,207,342,333,154/121,642,715.10
  6. Step 6: Final answer
    x = 59,627,141.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.